#linux-sunxi on 2025-08-27 — irc logs at oftc.catirclogs.org

2024-07-16 04:52 ChanServ changed the topic of #linux-sunxi to: Allwinner/sunxi development - Did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait for an answer! - This channel is logged at https://oftc.irclog.whitequark.org/linux-sunxi

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08:55 <junari> emmc for x96qproplus https://gitlab.manjaro.org/iuncuim/linux/-/blob/master/1218-DRAFT-amr64-a523-make-emmc-work.patch?ref_type=heads

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08:56 <junari> I don't have enough time right now to determine what improves performance

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09:22 <apritzel> junari: where does the clock mux change come from?

09:30 <apritzel> because both the manual and the BSP match the existing mainline parent order, so this change will just give you a different/wrong clock

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09:31 <junari> apritzel: from BSP

09:33 <apritzel> junari: which one, exactly? I am looking at this: https://github.com/radxa/allwinner-bsp/blob/cubie-aiot-v1.4.6/drivers/clk/sunxi-ng/ccu-sun55iw3.c#L682

09:34 <junari> ah this one

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09:35 <junari> On my Walnutpi, the frequency tree (clk_summary) was different, so I changed order

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09:40 <apritzel> junari: so there was one bug in the early U-Boot patches (including v2 on the list) that affected this clock, but I fixed it before merging

09:43 <apritzel> https://lore.kernel.org/u-boot/20250722011439.401e1125@minigeek.lan/

09:48 <junari> hmm, in my boards I use old u-boot without this changes, I think

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11:32 <dlan> apritzel: btw, are you (or know someone) working on the clock driver for a733 on the kernel side? I'm reluctant to touch it if there is someone already on it..

11:49 <apritzel> dlan: I haven't started on that one, so all yours ;-)

11:50 <apritzel> the 26MHz/24MHz root clock looks ... interesting. They mention a mux somewhere, but I couldn't find further details

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13:15 <dlan> apritzel: got, I will take a look in two weeks if no one dive in.. but no promise

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13:22 <apritzel> dlan: could you make your existing U-Boot changes available somewhere? I don't think you will get far with DRAM on your own, according to MasterR3C0RD it's even more complicated than the other SoCs

13:23 <apritzel> but it would be good to get the other changes looked at, for instance the clock setup and such

13:25 <dlan> sure, I'm refactoring it, and plan to push in 1-2 weeks, I still have some dirty hack here and there

13:27 <apritzel> yes, that's expected

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